.ks-radio,.ks-radio-hover,.ks-radio-selected,.ks-radio-disabled{
    background:url('http://img03.taobaocdn.com/tps/i3/T1Xj_tXbxeXXaKS.fo-232-65.png') -7px -33px;
    cursor: pointer;
    height: 17px;
    line-height: 18px;
    margin-right: 4px;
    margin-bottom:4px;
    vertical-align: middle;
    width: 17px;
    display: inline-block;
}
.ks-radio-disabled{
    background-position:-153px -33px;
}
.ks-radio-hover{
    background-position:-170px -33px;
}
.ks-radio-selected{
    background-position:-80px -33px;
}